67066674 has 16 divisors (see below), whose sum is σ = 134241408. Its totient is φ = 22337552.

The previous prime is 67066667. The next prime is 67066679. The reversal of 67066674 is 47666076.

It is a super-2 number, since 2×67066674² = 8995877522844552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67066679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5164 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (8390088).

Almost surely, 2^67066674 is an apocalyptic number.

67066674 is an abundant number, since it is smaller than the sum of its proper divisors (67174734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67066674 is a wasteful number, since it uses less digits than its factorization.

67066674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 67066674 is about 8189.4245219063. The cubic root of 67066674 is about 406.2894915771.

The spelling of 67066674 in words is "sixty-seven million, sixty-six thousand, six hundred seventy-four".